Growth and more growth, driven by consumption and more consumption. "For one thing, this system looks like it's fine. No problem. But
the truth is it's a system in crisis. And the reason it is in crisis is that it is a linear system and we live on a finite planet and you can not run a linear system on a finite planet indefinitely." (from "story of stuff")

That is put here, because I hear so many people complaining "the Chinese" pollute the world more and cause much more harm to the environment than our (western) societies. However, it's our products and by this our pollution - as we choose to buy the cheap product over the more expensive, but supposedly environmentally friedlier product of the local manufacturer.

"Each year the United States consumes 30 billion plastic and 10 billion paper grocery bags, according to the Natural Resources Defense Council. That translates to about 14 million trees and 12 million barrels of oil."

In the program these figures are used to explain that farmed fish as currently practiced is not a solution to overfishing, but one of the causes. Another number mentioned: the product/fishmeal ratio to produce salmon is mentioned as 1:4. See also the - sorry, horrendous - quote about tuna meat production above.